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MAX4322, MAX4323, MAX4326, MAX4327, MAX4329
Single/Dual/Quad, Low-Cost, UCSP/SOT23, Low-Power, Rail-to-Rail I/O Op Amps
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Status
| Part Number |
Status |
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MAX4322
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Active: In Production. |
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MAX4323
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Active: In Production. |
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MAX4326
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Active: In Production. |
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MAX4327
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Active: In Production. |
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MAX4329
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This product is No Longer Available. See Ordering Information for recommended replacements. |
Description
The MAX4322/MAX4323/MAX4326/MAX4327/MAX4329 family of operational amplifiers combines wide bandwidth and excellent DC accuracy with rail-to-rail operation at the inputs and outputs. These devices consume only 650µA per amplifier and operate from either a single supply (2.4V to 6.5V) or dual supplies (±1.2V to ±3.25V). These unity-gain-stable amplifiers are capable of driving 250Ω loads and have a 5MHz gain-bandwidth product. The MAX4323 and MAX4327 feature a low-power shutdown mode that reduces supply current to 25µA and places the outputs in a high-impedance state.
With their rail-to-rail input common-mode range and output swing, these amplifiers are ideal for low-voltage, single-supply operation. In addition, low offset voltage and high speed make them the ideal signal-conditioning stages for precision, low-voltage data-acquisition systems.
The MAX4323 is offered in a small 6-bump chip-scale package (UCSP™). The MAX4322/MAX4323 are also available in space-saving SOT23 packages.
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Data Sheet
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Key Features
- 6-Bump UCSP Package (MAX4323)
- 2.4V to 6.5V Single-Supply Operation
- Rail-to-rail Input Common-Mode Voltage Range
- Rail-to-rail Output Voltage Swing
- 5MHz Gain-Bandwidth Product
- 650µA Quiescent Current per Amplifier
- 700µV Offset Voltage
- No Phase Reversal for Overdriven Inputs
- Drive 250Ω Loads
- 25µA Shutdown Mode (MAX4323/MAX4327)
- Unity-Gain Stable for Capacitive Loads Up to 500pF
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Applications/Uses
- Automotive Sensors
- Base Station/Wireless Infrastructure
- Battery-Powered Instruments
- Computers: Desktops, Workstations, and Servers
- Computers: Motherboards
- Computers: Notebook
- Data Acquisition Systems
- GPS Solutions
- Low-Power, Low-Voltage Applications
- MP3 Docking Stations: Mid Level
- PA Biasing
- Portable Equipment
- Programmable Logic Controllers (PLCs)
- RSSI Systems
- Set-Top Boxes
- Signal Conditioning
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Key Specifications:
| Operational Amplifiers |
| Part Number |
Amps. |
Rail to Rail |
AVCL |
VSUPPLY (Total)
(V) |
VSUPPLY (Total)
(V) |
ICC per Amp.
(µA) |
ICC per Amp.
(µA) |
VOS
(µV) |
CMRR @DC
(dB) |
PSRR @DC
(dB) |
Input IBIAS
(nA) |
Unity Gain BW
(MHz) |
Slew Rate
(V/µs) |
en
(nV/√Hz) |
in
(pA/√Hz) |
Low Pwr. Shutdn |
Package/Pins |
Budgetary Price |
| min |
min |
max |
typ |
max |
max |
typ |
typ |
max |
typ |
typ |
See Notes |
| MAX4322 |
1 |
Input/Output |
1 |
2.4 |
6.5 |
730 |
1100 |
2500 |
94 |
100 |
150 |
5 |
2 |
22 |
0.4 |
No |
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$0.57 @1k |
| MAX4323 |
1 |
2500 |
Yes |
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$0.70 @1k |
| MAX4326 |
2 |
2500 |
No |
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$0.88 @1k |
| MAX4327 |
2 |
2000 |
Yes |
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$0.97 @1k |
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See All Operational Amplifiers (160)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
 Typical Operating Circuit
Notes and Comments
Single, SOT23-5, low power rail-to-rail op amp (MAX4322)
Single, low power rail-to-rail op amp with shutdown (MAX4323)
Dual, low power rail-to-rail op amp (MAX4326)
Dual, low power rail-to-rail op amp with shutdown (MAX4327)
Quad, low power rail-to-rail op amp (MAX4329)
More Information
Didn't Find What You Need?
Information Index
Document Ref.: 19-1380
Rev 3;
2002-11-21
This page last modified: 2009-07-15
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